KaneAI - World’s First E2E Software Testing Agent.Book a Demo 
How to use cancelPromise2 method in wpt
Best JavaScript code snippet using wpt
rs-test-templates.js
Source:rs-test-templates.js 
1'use strict';2// These tests can be run against any readable stream produced by the web platform that meets the given descriptions.3// For readable stream tests, the factory should return the stream. For reader tests, the factory should return a4// { stream, reader } object. (You can use this to vary the time at which you acquire a reader.)5self.templatedRSEmpty = (label, factory) => {6 test(() => {}, 'Running templatedRSEmpty with ' + label);7 test(() => {8 const rs = factory();9 assert_equals(typeof rs.locked, 'boolean', 'has a boolean locked getter');10 assert_equals(typeof rs.cancel, 'function', 'has a cancel method');11 assert_equals(typeof rs.getReader, 'function', 'has a getReader method');12 assert_equals(typeof rs.pipeThrough, 'function', 'has a pipeThrough method');13 assert_equals(typeof rs.pipeTo, 'function', 'has a pipeTo method');14 assert_equals(typeof rs.tee, 'function', 'has a tee method');15 }, label + ': instances have the correct methods and properties');16 test(() => {17 const rs = factory();18 assert_throws(new RangeError(), () => rs.getReader({ mode: '' }), 'empty string mode should throw');19 assert_throws(new RangeError(), () => rs.getReader({ mode: null }), 'null mode should throw');20 assert_throws(new RangeError(), () => rs.getReader({ mode: 'asdf' }), 'asdf mode should throw');21 assert_throws(new TypeError(), () => rs.getReader(null), 'null should throw');22 }, label + ': calling getReader with invalid arguments should throw appropriate errors');23};24self.templatedRSClosed = (label, factory) => {25 test(() => {}, 'Running templatedRSClosed with ' + label);26 promise_test(() => {27 const rs = factory();28 const cancelPromise1 = rs.cancel();29 const cancelPromise2 = rs.cancel();30 assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');31 return Promise.all([32 cancelPromise1.then(v => assert_equals(v, undefined, 'first cancel() call should fulfill with undefined')),33 cancelPromise2.then(v => assert_equals(v, undefined, 'second cancel() call should fulfill with undefined'))34 ]);35 }, label + ': cancel() should return a distinct fulfilled promise each time');36 test(() => {37 const rs = factory();38 assert_false(rs.locked, 'locked getter should return false');39 }, label + ': locked should be false');40 test(() => {41 const rs = factory();42 rs.getReader(); // getReader() should not throw.43 }, label + ': getReader() should be OK');44 test(() => {45 const rs = factory();46 const reader = rs.getReader();47 reader.releaseLock();48 const reader2 = rs.getReader(); // Getting a second reader should not throw.49 reader2.releaseLock();50 rs.getReader(); // Getting a third reader should not throw.51 }, label + ': should be able to acquire multiple readers if they are released in succession');52 test(() => {53 const rs = factory();54 rs.getReader();55 assert_throws(new TypeError(), () => rs.getReader(), 'getting a second reader should throw');56 assert_throws(new TypeError(), () => rs.getReader(), 'getting a third reader should throw');57 }, label + ': should not be able to acquire a second reader if we don\'t release the first one');58};59self.templatedRSErrored = (label, factory, error) => {60 test(() => {}, 'Running templatedRSErrored with ' + label);61 promise_test(t => {62 const rs = factory();63 const reader = rs.getReader();64 return Promise.all([65 promise_rejects(t, error, reader.closed),66 promise_rejects(t, error, reader.read())67 ]);68 }, label + ': getReader() should return a reader that acts errored');69 promise_test(t => {70 const rs = factory();71 const reader = rs.getReader();72 return Promise.all([73 promise_rejects(t, error, reader.read()),74 promise_rejects(t, error, reader.read()),75 promise_rejects(t, error, reader.closed)76 ]);77 }, label + ': read() twice should give the error each time');78 test(() => {79 const rs = factory();80 assert_false(rs.locked, 'locked getter should return false');81 }, label + ': locked should be false');82};83self.templatedRSErroredSyncOnly = (label, factory, error) => {84 test(() => {}, 'Running templatedRSErroredSyncOnly with ' + label);85 promise_test(t => {86 const rs = factory();87 rs.getReader().releaseLock();88 const reader = rs.getReader(); // Calling getReader() twice does not throw (the stream is not locked).89 return promise_rejects(t, error, reader.closed);90 }, label + ': should be able to obtain a second reader, with the correct closed promise');91 test(() => {92 const rs = factory();93 rs.getReader();94 assert_throws(new TypeError(), () => rs.getReader(), 'getting a second reader should throw a TypeError');95 assert_throws(new TypeError(), () => rs.getReader(), 'getting a third reader should throw a TypeError');96 }, label + ': should not be able to obtain additional readers if we don\'t release the first lock');97 promise_test(t => {98 const rs = factory();99 const cancelPromise1 = rs.cancel();100 const cancelPromise2 = rs.cancel();101 assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');102 return Promise.all([103 promise_rejects(t, error, cancelPromise1),104 promise_rejects(t, error, cancelPromise2)105 ]);106 }, label + ': cancel() should return a distinct rejected promise each time');107 promise_test(t => {108 const rs = factory();109 const reader = rs.getReader();110 const cancelPromise1 = reader.cancel();111 const cancelPromise2 = reader.cancel();112 assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');113 return Promise.all([114 promise_rejects(t, error, cancelPromise1),115 promise_rejects(t, error, cancelPromise2)116 ]);117 }, label + ': reader cancel() should return a distinct rejected promise each time');118};119self.templatedRSEmptyReader = (label, factory) => {120 test(() => {}, 'Running templatedRSEmptyReader with ' + label);121 test(() => {122 const reader = factory().reader;123 assert_true('closed' in reader, 'has a closed property');124 assert_equals(typeof reader.closed.then, 'function', 'closed property is thenable');125 assert_equals(typeof reader.cancel, 'function', 'has a cancel method');126 assert_equals(typeof reader.read, 'function', 'has a read method');127 assert_equals(typeof reader.releaseLock, 'function', 'has a releaseLock method');128 }, label + ': instances have the correct methods and properties');129 test(() => {130 const stream = factory().stream;131 assert_true(stream.locked, 'locked getter should return true');132 }, label + ': locked should be true');133 promise_test(t => {134 const reader = factory().reader;135 reader.read().then(136 t.unreached_func('read() should not fulfill'),137 t.unreached_func('read() should not reject')138 );139 return delay(500);140 }, label + ': read() should never settle');141 promise_test(t => {142 const reader = factory().reader;143 reader.read().then(144 t.unreached_func('read() should not fulfill'),145 t.unreached_func('read() should not reject')146 );147 reader.read().then(148 t.unreached_func('read() should not fulfill'),149 t.unreached_func('read() should not reject')150 );151 return delay(500);152 }, label + ': two read()s should both never settle');153 test(() => {154 const reader = factory().reader;155 assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct');156 }, label + ': read() should return distinct promises each time');157 test(() => {158 const stream = factory().stream;159 assert_throws(new TypeError(), () => stream.getReader(), 'stream.getReader() should throw a TypeError');160 }, label + ': getReader() again on the stream should fail');161 promise_test(t => {162 const streamAndReader = factory();163 const stream = streamAndReader.stream;164 const reader = streamAndReader.reader;165 reader.read().then(166 t.unreached_func('first read() should not fulfill'),167 t.unreached_func('first read() should not reject')168 );169 reader.read().then(170 t.unreached_func('second read() should not fulfill'),171 t.unreached_func('second read() should not reject')172 );173 reader.closed.then(174 t.unreached_func('closed should not fulfill'),175 t.unreached_func('closed should not reject')176 );177 assert_throws(new TypeError(), () => reader.releaseLock(), 'releaseLock should throw a TypeError');178 assert_true(stream.locked, 'the stream should still be locked');179 return delay(500);180 }, label + ': releasing the lock with pending read requests should throw but the read requests should stay pending');181 promise_test(t => {182 const reader = factory().reader;183 reader.releaseLock();184 return Promise.all([185 promise_rejects(t, new TypeError(), reader.read()),186 promise_rejects(t, new TypeError(), reader.read())187 ]);188 }, label + ': releasing the lock should cause further read() calls to reject with a TypeError');189 promise_test(t => {190 const reader = factory().reader;191 const closedBefore = reader.closed;192 reader.releaseLock();193 const closedAfter = reader.closed;194 assert_equals(closedBefore, closedAfter, 'the closed promise should not change identity');195 return promise_rejects(t, new TypeError(), closedBefore);196 }, label + ': releasing the lock should cause closed calls to reject with a TypeError');197 test(() => {198 const streamAndReader = factory();199 const stream = streamAndReader.stream;200 const reader = streamAndReader.reader;201 reader.releaseLock();202 assert_false(stream.locked, 'locked getter should return false');203 }, label + ': releasing the lock should cause locked to become false');204 promise_test(() => {205 const reader = factory().reader;206 reader.cancel();207 return reader.read().then(r => {208 assert_object_equals(r, { value: undefined, done: true }, 'read()ing from the reader should give a done result');209 });210 }, label + ': canceling via the reader should cause the reader to act closed');211 promise_test(t => {212 const stream = factory().stream;213 return promise_rejects(t, new TypeError(), stream.cancel());214 }, label + ': canceling via the stream should fail');215};216self.templatedRSClosedReader = (label, factory) => {217 test(() => {}, 'Running templatedRSClosedReader with ' + label);218 promise_test(() => {219 const reader = factory().reader;220 return reader.read().then(v => {221 assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');222 });223 }, label + ': read() should fulfill with { value: undefined, done: true }');224 promise_test(() => {225 const reader = factory().reader;226 return Promise.all([227 reader.read().then(v => {228 assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');229 }),230 reader.read().then(v => {231 assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');232 })233 ]);234 }, label + ': read() multiple times should fulfill with { value: undefined, done: true }');235 promise_test(() => {236 const reader = factory().reader;237 return reader.read().then(() => reader.read()).then(v => {238 assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');239 });240 }, label + ': read() should work when used within another read() fulfill callback');241 promise_test(() => {242 const reader = factory().reader;243 return reader.closed.then(v => assert_equals(v, undefined, 'reader closed should fulfill with undefined'));244 }, label + ': closed should fulfill with undefined');245 promise_test(t => {246 const reader = factory().reader;247 const closedBefore = reader.closed;248 reader.releaseLock();249 const closedAfter = reader.closed;250 assert_not_equals(closedBefore, closedAfter, 'the closed promise should change identity');251 return Promise.all([252 closedBefore.then(v => assert_equals(v, undefined, 'reader.closed acquired before release should fulfill')),253 promise_rejects(t, new TypeError(), closedAfter)254 ]);255 }, label + ': releasing the lock should cause closed to reject and change identity');256 promise_test(() => {257 const reader = factory().reader;258 const cancelPromise1 = reader.cancel();259 const cancelPromise2 = reader.cancel();260 const closedReaderPromise = reader.closed;261 assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');262 assert_not_equals(cancelPromise1, closedReaderPromise, 'cancel() promise 1 should be distinct from reader.closed');263 assert_not_equals(cancelPromise2, closedReaderPromise, 'cancel() promise 2 should be distinct from reader.closed');264 return Promise.all([265 cancelPromise1.then(v => assert_equals(v, undefined, 'first cancel() should fulfill with undefined')),266 cancelPromise2.then(v => assert_equals(v, undefined, 'second cancel() should fulfill with undefined'))267 ]);268 }, label + ': cancel() should return a distinct fulfilled promise each time');269};270self.templatedRSErroredReader = (label, factory, error) => {271 test(() => {}, 'Running templatedRSErroredReader with ' + label);272 promise_test(t => {273 const reader = factory().reader;274 return promise_rejects(t, error, reader.closed);275 }, label + ': closed should reject with the error');276 promise_test(t => {277 const reader = factory().reader;278 const closedBefore = reader.closed;279 return promise_rejects(t, error, closedBefore).then(() => {280 reader.releaseLock();281 const closedAfter = reader.closed;282 assert_not_equals(closedBefore, closedAfter, 'the closed promise should change identity');283 return promise_rejects(t, new TypeError(), closedAfter);284 });285 }, label + ': releasing the lock should cause closed to reject and change identity');286 promise_test(t => {287 const reader = factory().reader;288 return promise_rejects(t, error, reader.read());289 }, label + ': read() should reject with the error');290};291self.templatedRSTwoChunksOpenReader = (label, factory, chunks) => {292 test(() => {}, 'Running templatedRSTwoChunksOpenReader with ' + label);293 promise_test(() => {294 const reader = factory().reader;295 return Promise.all([296 reader.read().then(r => {297 assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');298 }),299 reader.read().then(r => {300 assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct');301 })302 ]);303 }, label + ': calling read() twice without waiting will eventually give both chunks (sequential)');304 promise_test(() => {305 const reader = factory().reader;306 return reader.read().then(r => {307 assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');308 return reader.read().then(r2 => {309 assert_object_equals(r2, { value: chunks[1], done: false }, 'second result should be correct');310 });311 });312 }, label + ': calling read() twice without waiting will eventually give both chunks (nested)');313 test(() => {314 const reader = factory().reader;315 assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct');316 }, label + ': read() should return distinct promises each time');317 promise_test(() => {318 const reader = factory().reader;319 const promise1 = reader.closed.then(v => {320 assert_equals(v, undefined, 'reader closed should fulfill with undefined');321 });322 const promise2 = reader.read().then(r => {323 assert_object_equals(r, { value: chunks[0], done: false },324 'promise returned before cancellation should fulfill with a chunk');325 });326 reader.cancel();327 const promise3 = reader.read().then(r => {328 assert_object_equals(r, { value: undefined, done: true },329 'promise returned after cancellation should fulfill with an end-of-stream signal');330 });331 return Promise.all([promise1, promise2, promise3]);332 }, label + ': cancel() after a read() should still give that single read result');333};334self.templatedRSTwoChunksClosedReader = function (label, factory, chunks) {335 test(() => {}, 'Running templatedRSTwoChunksClosedReader with ' + label);336 promise_test(() => {337 const reader = factory().reader;338 return Promise.all([339 reader.read().then(r => {340 assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');341 }),342 reader.read().then(r => {343 assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct');344 }),345 reader.read().then(r => {346 assert_object_equals(r, { value: undefined, done: true }, 'third result should be correct');347 })348 ]);349 }, label + ': third read(), without waiting, should give { value: undefined, done: true } (sequential)');350 promise_test(() => {351 const reader = factory().reader;352 return reader.read().then(r => {353 assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');354 return reader.read().then(r2 => {355 assert_object_equals(r2, { value: chunks[1], done: false }, 'second result should be correct');356 return reader.read().then(r3 => {357 assert_object_equals(r3, { value: undefined, done: true }, 'third result should be correct');358 });359 });360 });361 }, label + ': third read(), without waiting, should give { value: undefined, done: true } (nested)');362 promise_test(() => {363 const streamAndReader = factory();364 const stream = streamAndReader.stream;365 const reader = streamAndReader.reader;366 assert_true(stream.locked, 'stream should start locked');367 const promise = reader.closed.then(v => {368 assert_equals(v, undefined, 'reader closed should fulfill with undefined');369 assert_true(stream.locked, 'stream should remain locked');370 });371 reader.read();372 reader.read();373 return promise;374 }, label +375 ': draining the stream via read() should cause the reader closed promise to fulfill, but locked stays true');376 promise_test(() => {377 const streamAndReader = factory();378 const stream = streamAndReader.stream;379 const reader = streamAndReader.reader;380 const promise = reader.closed.then(() => {381 assert_true(stream.locked, 'the stream should start locked');382 reader.releaseLock(); // Releasing the lock after reader closed should not throw.383 assert_false(stream.locked, 'the stream should end unlocked');384 });385 reader.read();386 reader.read();387 return promise;388 }, label + ': releasing the lock after the stream is closed should cause locked to become false');389 promise_test(t => {390 const reader = factory().reader;391 reader.releaseLock();392 return Promise.all([393 promise_rejects(t, new TypeError(), reader.read()),394 promise_rejects(t, new TypeError(), reader.read()),395 promise_rejects(t, new TypeError(), reader.read())396 ]);397 }, label + ': releasing the lock should cause further read() calls to reject with a TypeError');398 promise_test(() => {399 const streamAndReader = factory();400 const stream = streamAndReader.stream;401 const reader = streamAndReader.reader;402 const readerClosed = reader.closed;403 assert_equals(reader.closed, readerClosed, 'accessing reader.closed twice in succession gives the same value');404 const promise = reader.read().then(() => {405 assert_equals(reader.closed, readerClosed, 'reader.closed is the same after read() fulfills');406 reader.releaseLock();407 assert_equals(reader.closed, readerClosed, 'reader.closed is the same after releasing the lock');408 const newReader = stream.getReader();409 return newReader.read();410 });411 assert_equals(reader.closed, readerClosed, 'reader.closed is the same after calling read()');412 return promise;413 }, label + ': reader\'s closed property always returns the same promise');...
CanclePromise.js
Source:CanclePromise.js
...69 // this.cancelPromise70 // .promise71 // .then(v => console.log(v))72 // .catch(e => console.log(e))73 this.cancelPromise2 = cancelPromise2(new Promise((resolve, reject) => {74 fetch('https://api.github.com/')75 }))76 this.cancelPromise277 .then(v => console.log(v))78 .catch(e => console.log(e))79 }80 componentWillUnmount() {81 // this.cancelPromise.cancel();82 EventEmitter.dispatch();83 }84 render() {85 return (86 <div className="Dialog-title">87 åç»ä»¶...
Using AI Code Generation
1const wpt = require('webpagetest');2const webpagetest = new wpt('API_KEY');3const options = {4};5webpagetest.runTest(options, function(err, data) {6 if (err) return console.error(err);7 console.log('Test ID: %s', data.data.testId);8 webpagetest.cancelTest(data.data.testId, function(err, data) {9 if (err) return console.error(err);10 console.log('Test cancelled: %s', data.statusText);11 });12});13const wpt = require('webpagetest');14const webpagetest = new wpt('API_KEY');15const options = {16};17webpagetest.runTest(options, function(err, data) {18 if (err) return console.error(err);19 console.log('Test ID: %s', data.data.testId);20 webpagetest.cancelPromise(data.data.testId)21 .then((data) => {22 console.log('Test cancelled: %s', data.statusText);23 })24 .catch((err) => {25 console.error(err);26 });27});28const wpt = require('webpagetest');29const webpagetest = new wpt('API_KEY');30const options = {31};32webpagetest.runTest(options, function(err, data) {33 if (err) return console.error(err);34 console.log('Test ID: %s', data.data.testId);35});36const wpt = require('webpagetest');37const webpagetest = new wpt('API_KEY');38const options = {39};40webpagetest.runPromise(options)41 .then((data) =>
Using AI Code Generation
1const wpt = require('wpt-api');2const wptApi = new wpt(process.env.WPT_API_KEY);3wptApi.cancelPromise2(testUrl)4.then(response => {5})6.catch(error => {7});8Please read [CONTRIBUTING.md](
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run wpt automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
